Explanation:
group b. is called the control group. it is important to compare the 2 groups for any similarities. this determines if the medications in group a are working like intended. to keep track of side effects w/group a..
The first living things on Earth, single-celled micro-organisms or microbes lacking a cell nucleus or cell membrane known as prokaryotes, seem to have first appeared on Earth almost four billion years ago, just a few hundred million years after the formation of the Earth itself.
The answer would be, Heterozygous Genotype.
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<span>D a rigid cell wall which provides structure and support
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Use the formula: v=v0+at
v is the final velocity
v0 is the initial velocity
a is the acceleration
t is the time
Plug in and solve for t:
0=6+(-2)t
<em>*Subtract 6 from both sides*</em>
-6=-2t
<em>*Divide both sides by -2*</em>
3 seconds=t
Hope this helps!!